/* ================================
   EFE PERFORE - BASIT TASARIM
   Temiz ve Sade Görünüm
   ================================ */

/* Temel Renkler */
:root {
    --primary-color: #2c3e50;
    --secondary-color: #34495e;
    --accent-color: #3498db;
    --text-color: #2c3e50;
    --light-bg: #ecf0f1;
    --white: #ffffff;
    --border-color: #bdc3c7;
}

/* Reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--white);
    padding-top: 80px;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

/* Navigation */
.navbar-modern {
    background-color: var(--primary-color);
    color: white;
    padding: 1rem 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.navbar-brand-modern {
    font-size: 1.5rem;
    font-weight: bold;
    color: white;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.navbar-brand-modern:hover {
    color: var(--accent-color);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
    margin: 0;
    padding: 0;
}

.nav-link {
    color: white;
    text-decoration: none;
    transition: color 0.3s;
    padding: 0.5rem 1rem;
    border-radius: 4px;
}

.nav-link:hover {
    color: var(--accent-color);
    background-color: rgba(255,255,255,0.1);
}

/* Hero Section */
.hero-modern {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 100px 0;
    text-align: center;
    min-height: 80vh;
    display: flex;
    align-items: center;
}

.hero-title {
    font-size: 3rem;
    margin-bottom: 1rem;
    font-weight: bold;
    color: white;
}

.hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    color: rgba(255,255,255,0.9);
}

/* Buttons */
.btn-modern {
    display: inline-block;
    padding: 12px 30px;
    background-color: var(--accent-color);
    color: white;
    text-decoration: none;
    border-radius: 5px;
    transition: background-color 0.3s;
    margin: 0 10px;
    border: none;
    cursor: pointer;
}

.btn-modern:hover {
    background-color: #2980b9;
    color: white;
    transform: translateY(-2px);
}

.btn-glass {
    background-color: transparent;
    border: 2px solid white;
    color: white;
}

.btn-glass:hover {
    background-color: white;
    color: var(--primary-color);
}

/* Sections */
.section, .product-gallery, .services-modern {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.section-title.text-white {
    color: white;
}

.lead {
    text-align: center;
    font-size: 1.1rem;
    color: #7f8c8d;
    margin-bottom: 3rem;
}

.text-light {
    color: rgba(255,255,255,0.8);
}

/* Grid Layout */
.services-grid, .gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

/* Service Cards */
.service-card-modern {
    background: white;
    border-radius: 8px;
    padding: 2rem;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    transition: transform 0.3s, box-shadow 0.3s;
    text-align: center;
}

.service-card-modern:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0,0,0,0.15);
}

.service-icon-modern {
    width: 80px;
    height: 80px;
    background-color: var(--accent-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin: 0 auto 1rem;
}

.service-card-modern h4 {
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.services-modern {
    background-color: var(--primary-color);
    color: white;
}

.services-modern .service-card-modern {
    background: rgba(255,255,255,0.1);
    color: white;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.2);
}

.services-modern .service-card-modern h4 {
    color: white;
}

/* Gallery */
.product-gallery {
    background-color: var(--light-bg);
}

.btn-group {
    text-align: center;
    margin-bottom: 2rem;
}

.btn-outline-primary {
    background: transparent;
    border: 2px solid var(--accent-color);
    color: var(--accent-color);
    padding: 10px 20px;
    margin: 0 5px;
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
    display: inline-block;
}

.btn-outline-primary.active,
.btn-outline-primary:hover {
    background: var(--accent-color);
    color: white;
}

.gallery-item {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 3px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s;
    background: white;
}

.gallery-item:hover {
    transform: scale(1.02);
}

.gallery-item img {
    width: 100%;
    height: 250px;
    object-fit: cover;
}

.gallery-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(0,0,0,0.8);
    color: white;
    padding: 1.5rem;
    transform: translateY(100%);
    transition: transform 0.3s;
}

.gallery-item:hover .gallery-overlay {
    transform: translateY(0);
}

/* Background Colors */
.bg-light {
    background-color: var(--light-bg);
}

.bg-dark {
    background-color: var(--primary-color);
    color: white;
}

.py-5 {
    padding: 3rem 0;
}

/* Footer */
.footer-modern {
    background-color: var(--primary-color);
    color: white;
    padding: 3rem 0 1rem;
}

.footer-modern h6 {
    margin-bottom: 1rem;
    color: white;
}

.footer-modern a {
    color: #bdc3c7;
    text-decoration: none;
}

.footer-modern a:hover {
    color: white;
}

.footer-modern .navbar-brand-modern {
    margin-bottom: 1rem;
}

/* WhatsApp Button */
.whatsapp-modern {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 60px;
    height: 60px;
    background: #25d366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    text-decoration: none;
    box-shadow: 0 3px 15px rgba(0,0,0,0.2);
    transition: transform 0.3s;
    z-index: 1000;
}

.whatsapp-modern:hover {
    transform: scale(1.1);
    color: white;
}

/* Lightbox */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
}

.lightbox.active {
    opacity: 1;
    visibility: visible;
}

.lightbox-content {
    position: relative;
    max-width: 90%;
    max-height: 90%;
}

.lightbox img {
    width: 100%;
    height: auto;
    border-radius: 8px;
}

.lightbox-close {
    position: absolute;
    top: -40px;
    right: 0;
    background: white;
    border: none;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    font-size: 1.2rem;
    cursor: pointer;
}

/* Glass Cards for Applications */
.glass {
    background: rgba(255,255,255,0.9);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.3);
    border-radius: 8px;
    box-shadow: 0 3px 15px rgba(0,0,0,0.1);
}

/* Statistics */
.hero-stat {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--accent-color);
}

.floating-elements {
    display: none; /* Basit tasarımda floating elementleri gizle */
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .d-flex {
        flex-direction: column;
        align-items: flex-start !important;
    }
    
    .nav-links {
        display: none;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .services-grid,
    .gallery-grid {
        grid-template-columns: 1fr;
    }
    
    .btn-group {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 0.5rem;
    }
    
    .btn-outline-primary {
        margin: 0;
        font-size: 0.9rem;
        padding: 8px 16px;
    }
}

/* Utility Classes */
.text-center { text-align: center; }
.text-white { color: white; }
.text-muted { color: #7f8c8d; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.mb-5 { margin-bottom: 3rem; }

.mt-4 { margin-top: 2rem; }
.mt-5 { margin-top: 3rem; }

.d-flex { display: flex; }
.align-items-center { align-items: center; }
.justify-content-between { justify-content: space-between; }
.gap-3 { gap: 1.5rem; }
.flex-wrap { flex-wrap: wrap; }

.rounded-4 { border-radius: 8px; }
.shadow-lg { box-shadow: 0 5px 20px rgba(0,0,0,0.15); }

.row {
    display: flex;
    margin: -15px;
}

.col-4, .col-lg-3, .col-lg-4, .col-lg-6, .col-lg-8, .col-md-6 {
    flex: 1;
    padding: 15px;
}

.img-fluid {
    max-width: 100%;
    height: auto;
}

/* Page Headers */
.page-header-modern {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 120px 0 80px;
    text-align: center;
    margin-top: 80px;
}

.page-header-modern h1,
.page-header-modern .lead {
    color: white;
}